Osaka B4U - Technical Data and Compliance; Mechanical and Electrical Characteristics; Functional Characteristics and Compliance

OSAKA - USER MANUAL - B4U - v2 - PAG. 17
Protection class: Class II
Isolation: reinforced between the low voltage parts (power supply
and relay outputs) and the front panel; Reinforced between low
voltage parts (power supply and relay outputs) and very low voltage
parts (inputs).
8.2 - MECHANICAL CHARACTERISTICS
Container: UL 94 V0 self-extinguishing plastic.
Heat and fire resistance category: D
Dimensions DISPLAY B4U: 96 x 50 mm, depth. 22.5 mm
Dimensions POWER UNIT B4U: 92 x 92 mm, depth 27.8 mm
Weight Display B4U: about 70 g
Weight Power Unit B4U: about 130g
Installation Display B4U: Device to be incorporated through a
recessed panel (maximum thickness 2 mm) in the 90 x 44 mm hole.
Installation Power Unit B4U: Device to be incorporated into the
panel.
B4U Display Connections: removable mini connectors.
Power Unit B4U connections (power supply and outputs):
removable 6-pole AMP MATE-N-LOK .250 "removable connector
Connection Display B4U - Power Unit B4U: 3 m MAX. Through the
cable with removable mini-connectors.
Pollution degree: 2
Ambient operating temperature: 0… 60 ° C
Operating ambient humidity: less than 95% RH non-condensing
Transport and storage temperature: -25… 60 ° C.
8.3 - FUNCTIONAL CHARACTERISTICS
Temperature control: ON / OFF
Defrost control: by intervals or by temperature with electric heating
mode, gas reversal / hot cycle, for compressor stop.
Measuring range: -50 ... 99 ° C / -58 ... 99 ° F
Screen resolution: 1 ° or 0.1 ° (in the range of -9.9 ... 9.9 °)
Total precision: +/- (0.5% fs + 1 digit)
Sampling time measurement: 800 ms.
Screen: 2 white digits (optional blue) h 31 mm (DISPLAY B4U).
Software class and structure: A class
Compliance: Directive 2004/108 / EC (EN55022: class B; EN61000-
4-2: 8KV air, 4KV cont .; EN61000-4-3: 10V / m; EN61000-4-4: relay
outputs and power supply 2KV, 1KV inputs; EN61000-4-5: 2KV
power mode, 1KV difference mode; EN61000-4-6: 3V). Directive
2006/95 / CE (EN 60730-1, EN 60730-2-9). Regulation 37/2005 / CE
(EN13485 air / air, S, A, 1, - 50 ° C + 90 ° C if used with probe model
NTC 103AT11).